Finding the Fourth Proportional to 131,531.14, 181,468.56 and 74,902.42

Step by Step Solution

1. Step 1: Write the proportion equation
   131,531.14 : 181,468.56 = 74,902.42 : x
2. Step 2: Convert to fraction form
   131,531.14/181,468.56 = 74,902.42/x
3. Step 3: Cross multiply
   131,531.14x = 181,468.56 × 74,902.42
4. Step 4: Simplify right side
   131,531.14x = 13,592,434,297.92
5. Step 5: Solve for x
   x = 13,592,434,297.92/131,531.14
6. Step 6: Final answer
   x = 103,340.05